should_fail_alloc_page mm/page_alloc.c:3064 [inline]
prepare_alloc_pages mm/page_alloc.c:4327 [inline]
__alloc_pages_nodemask+0x34b/0xdd0 mm/page_alloc.c:4365
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 24877 Comm: syz-executor3 Not tainted 4.19.0-rc5-next-20180927+ #82
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline]
RIP: 0010:do_raw_spin_lock+0x27/0x200 kernel/locking/spinlock_debug.c:112
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2107
Code: 00 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 56 41 55 41 54 53 48 89 fb 48 83 c7 04 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 7b
alloc_pages include/linux/gfp.h:509 [inline]
__vmalloc_area_node mm/vmalloc.c:1690 [inline]
__vmalloc_node_range+0x498/0x750 mm/vmalloc.c:1750
RSP: 0018:ffff88018de97430 EFLAGS: 00010207
__vmalloc_node mm/vmalloc.c:1795 [inline]
__vmalloc_node_flags_caller+0x75/0x90 mm/vmalloc.c:1817
RAX: dffffc0000000000 RBX: 00000000000001b0 RCX: 0000000000000000
RDX: 0000000000000036 RSI: 0000000000000000 RDI: 00000000000001b4
kvmalloc_node+0xd7/0xf0 mm/util.c:432
RBP: ffff88018de97458 R08: 0000000000000001 R09: 0000000000000000
kvmalloc include/linux/mm.h:577 [inline]
btf_parse kernel/bpf/btf.c:2190 [inline]
btf_new_fd+0xc6f/0x3720 kernel/bpf/btf.c:2257
R10: ffffed0038323221 R11: 0000000000000000 R12: ffff8801c19190f0
R13: 0000000000000000 R14: 0000000000000007 R15: 0000000000000000
FS: 00007f675cb29700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30824000 CR3: 00000001bd4d1000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_lock+0x35/0x40 kernel/locking/spinlock.c:144
bpf_btf_load+0x55/0x70 kernel/bpf/syscall.c:2199
__do_sys_bpf kernel/bpf/syscall.c:2420 [inline]
__se_sys_bpf kernel/bpf/syscall.c:2341 [inline]
__x64_sys_bpf+0x4ad/0x510 kernel/bpf/syscall.c:2341
spin_lock include/linux/spinlock.h:329 [inline]
kvm_ioapic_scan_entry+0x7f/0x3c0 arch/x86/kvm/ioapic.c:246
vcpu_scan_ioapic arch/x86/kvm/x86.c:7316 [inline]
vcpu_enter_guest+0x49e2/0x6230 arch/x86/kvm/x86.c:7458
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457579
Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f999d725c78 EFLAGS: 00000246
ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f999d725c90 RCX: 0000000000457579
RDX: 0000000000000020 RSI: 0000000020000000 RDI: 0000000000000012
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f999d7266d4
vcpu_run arch/x86/kvm/x86.c:7730 [inline]
kvm_arch_vcpu_ioctl_run+0x370/0x16e0 arch/x86/kvm/x86.c:7930
R13: 00000000004bd7b6 R14: 00000000004cc100 R15: 0000000000000005
kobject: 'loop4' (00000000dbaf6a26): kobject_uevent_env
kvm_vcpu_ioctl+0x5c8/0x1150 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2589
kobject: 'loop4' (00000000dbaf6a26): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (0000000058260d27): kobject_uevent_env
kobject: 'loop1' (0000000058260d27): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop1' (0000000058260d27): kobject_uevent_env
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:501 [inline]
do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685
kobject: 'loop1' (0000000058260d27): fill_kobj_path: path = '/devices/virtual/block/loop1'
ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702
__do_sys_ioctl fs/ioctl.c:709 [inline]
__se_sys_ioctl fs/ioctl.c:707 [inline]
__x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
kobject: 'loop1' (0000000058260d27): kobject_uevent_env
kobject: 'loop1' (0000000058260d27): fill_kobj_path: path = '/devices/virtual/block/loop1'
entry_SYSCALL_64_after_hwframe+0x49/0xbe
kobject: 'loop2' (000000000a36a3f8): kobject_uevent_env
RIP: 0033:0x457579
Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f675cb28c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f675cb296d4
kobject: 'loop2' (000000000a36a3f8): fill_kobj_path: path = '/devices/virtual/block/loop2'
R13: 00000000004c003b R14: 00000000004d0108 R15: 00000000ffffffff
Modules linked in:
---[ end trace 066a34f36fe2772a ]---
kobject: 'loop4' (00000000dbaf6a26): kobject_uevent_env
RIP: 0010:debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline]
RIP: 0010:do_raw_spin_lock+0x27/0x200 kernel/locking/spinlock_debug.c:112
Code: 00 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 56 41 55 41 54 53 48 89 fb 48 83 c7 04 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 7b
kobject: 'kvm' (00000000cef4ba62): kobject_uevent_env
RSP: 0018:ffff88018de97430 EFLAGS: 00010207
kobject: 'kvm' (00000000cef4ba62): kobject_uevent_env
RAX: dffffc0000000000 RBX: 00000000000001b0 RCX: 0000000000000000
RDX: 0000000000000036 RSI: 0000000000000000 RDI: 00000000000001b4
RBP: ffff88018de97458 R08: 0000000000000001 R09: 0000000000000000
R10: ffffed0038323221 R11: 0000000000000000 R12: ffff8801c19190f0
kobject: 'kvm' (00000000cef4ba62): fill_kobj_path: path = '/devices/virtual/misc/kvm'
R13: 0000000000000000 R14: 0000000000000007 R15: 0000000000000000
FS: 00007f675cb29700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30824000 CR3: 00000001bd4d1000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'loop4' (00000000dbaf6a26): fill_kobj_path: path = '/devices/virtual/block/loop4'
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400